diff options
| author | Eric Anholt <eric@anholt.net> | 2010-10-26 10:31:08 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-10-26 10:34:14 -0700 |
| commit | 0e8c834ffa2f6d943a927e1a32a273d2f8600694 (patch) | |
| tree | 6f1fbc8cb7b4f95cea026eea9945f475590b0578 /src | |
| parent | 1732a8bc72fe0a8eaf7449eda65eba1a017ae909 (diff) | |
i965: Clear some undefined fields of g0 when using them for gen6 FB writes.
This doesn't appear to help any testcases I'm looking at, but it looks
like it's required.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index c687fde873..fc30ffc674 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -1961,6 +1961,20 @@ fs_visitor::generate_fb_write(fs_inst *inst) brw_MOV(p, brw_message_reg(inst->base_mrf), brw_vec8_grf(0, 0)); + + if (inst->target > 0) { + /* Set the render target index for choosing BLEND_STATE. */ + brw_MOV(p, retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, 0, 2), + BRW_REGISTER_TYPE_UD), + brw_imm_ud(inst->target)); + } + + /* Clear viewport index, render target array index. */ + brw_AND(p, retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, 0, 0), + BRW_REGISTER_TYPE_UD), + retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UD), + brw_imm_ud(0xf7ff)); + implied_header = brw_null_reg(); } else { implied_header = retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW); |